Is spyware and browser hijacking legal?

I'm writing this after i removed the CWS goddamn hijacker How is it possible for these sites to remain online? Why sites like coolwebsearch or the other nasty clones don't get sued or taken down? Is it legal to exploit IE security holes? After this CWS About version and the sp.html i'm sooo sick of IE and i got Mozilla Firefox imidiatley.

I'm writing this after i removed the CWS goddamn hijacker How is it possible for these sites to remain online? Why sites like coolwebsearch or the other nasty clones don't get sued or taken down? Is it legal to exploit IE security holes? After this CWS About version and the sp.html i'm sooo sick of IE and i got Mozilla Firefox imidiatley.

i kNOW!!! HOW IN THE WORLD IS IT LEGAL for CoolWebSearch and other places to be allowed to operate as legitimate god-knows-what-they-do companies, like